(19)
(11) EP 4 326 216 A1

(12)

(43) Date of publication:
28.02.2024 Bulletin 2024/09

(21) Application number: 22792540.1

(22) Date of filing: 22.04.2022
(51) International Patent Classification (IPC): 
A61J 1/20(2006.01)
A61M 5/38(2006.01)
G01N 1/10(2006.01)
A61M 5/165(2006.01)
B01L 3/02(2006.01)
G01N 1/34(2006.01)
(52) Cooperative Patent Classification (CPC):
B01L 3/021; B01L 2300/0681; B01L 2300/0832; B01L 3/0275; G01N 2001/4088
(86) International application number:
PCT/US2022/025862
(87) International publication number:
WO 2022/226255 (27.10.2022 Gazette 2022/43)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 22.04.2021 US 202163177988 P

(71) Applicant: Innovaprep LLC
Drexel, MO 64742 (US)

(72) Inventors:
  • ADOLPHSON, Alec, D.
    Raymore, MO 64083 (US)
  • PAGE, Andrew, E.
    Smithton, MO 65350 (US)
  • BIRKENHOLZ, John, D.
    Kansas City, MO 64157 (US)
  • GOAD, David
    Stillwater, OK 74075 (US)

(74) Representative: Mewburn Ellis LLP 
Aurora Building Counterslip
Bristol BS1 6BX
Bristol BS1 6BX (GB)

   


(54) PREFILTERS FOR PARTICLE CONCENTRATORS